// Love2 landing: aplica links do config.js, sombra do topo e entrada suave das seções.
(function () {
  var cfg = window.LOVE2_CONFIG || {};
  var map = {
    checkout: cfg.CHECKOUT_URL,
    app: cfg.APP_URL,
    whatsapp: cfg.WHATSAPP_URL,
    email: cfg.SUPPORT_EMAIL ? "mailto:" + cfg.SUPPORT_EMAIL : "",
    terms: cfg.TERMS_URL,
    privacy: cfg.PRIVACY_URL,
  };

  document.querySelectorAll("[data-link]").forEach(function (a) {
    var url = map[a.getAttribute("data-link")];
    if (!url || url === "#") return;
    a.setAttribute("href", url);
    if (/^https?:/.test(url)) a.setAttribute("rel", "noopener");
  });

  // FAQ em acordeão: abrir uma pergunta fecha as outras (reforço para navegadores sem <details name>).
  var faqs = document.querySelectorAll(".faq details");
  faqs.forEach(function (d) {
    d.addEventListener("toggle", function () {
      if (!d.open) return;
      faqs.forEach(function (o) { if (o !== d && o.open) o.open = false; });
    });
  });

  var nav = document.querySelector(".nav");
  var hero = document.querySelector("#abertura");
  if (nav && hero && "IntersectionObserver" in window) {
    new IntersectionObserver(function (entries) {
      nav.classList.toggle("is-scrolled", !entries[0].isIntersecting);
    }, { rootMargin: "-64px 0px 0px 0px", threshold: 0.98 }).observe(hero);
  }

  var reduce = window.matchMedia("(prefers-reduced-motion: reduce)").matches;
  if (reduce || !("IntersectionObserver" in window)) return;
  var io = new IntersectionObserver(function (entries) {
    entries.forEach(function (e) {
      if (!e.isIntersecting) return;
      e.target.classList.add("is-in");
      io.unobserve(e.target);
    });
  }, { rootMargin: "0px 0px -8% 0px", threshold: 0.12 });
  document.querySelectorAll(".reveal").forEach(function (el, i) {
    el.style.transitionDelay = (el.closest(".life__grid, .steps, .access__items") ? (i % 5) * 60 : 0) + "ms";
    io.observe(el);
  });
})();